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How to use Notify/Wait in PutFile in two different locations

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Contributor

80384-waitnotify.png

HI,

I would like to create data flow,which put file to one directory, and the if it has succeded, put the same file to another directory

I use for that Notify/Wait, but I wonder if uuid is a good solution for the signal,

Are Wait/Notify properties adequate ?

or if there is another way ?

80388-wait.png

80387-notify.png

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@Tommy

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*** Forum tip: Please try to avoid responding to an Answer by starting a new answer. Instead use the "add comment" tp respond to en existing answer. There is no guaranteed order to different answers which can make following a response thread difficult especially when multiple people are trying to assist you. Also use the @username when replying to make sure user gets notified about your response.

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You need to answer the question:
What links these two FlowFiles to one another?
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Since you are evaluating FlowFiles in pairs. What if you get two Files of type A. How do you want the processor to know what file type B belongs with which of the two type files that already arrived?

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If this is not a concern you could use a simple wait/notify flow as described here to accomplish this:
https://gist.github.com/ijokarumawak/375915c45071c7cbfddd34d5032c8e90
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Thanks,

Matt

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Contributor

Ok, thanks Matt, this template helps me

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Contributor

ok you are right, for this kind of flow

but when I have for example:

- one flow for data acquisition from source to Cassandra in one process group

- second flow for data ingestion from Cassandra in another process group

How to set properties in Wait/Notify in this kind of flow ?

Unless there is also possible another solution ..